[Code optimization] Delete unused import (apache#12690)

Co-authored-by: gavingaozhangmin <[email protected]>
lujp · Nov 10, 2021 · 1ea381d · 1ea381d
1 parent 8551868
commit 1ea381d
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Showing 87 changed files with 11 additions and 143 deletions.
diff --git a/managed-ledger/src/main/java/org/apache/bookkeeper/mledger/impl/LedgerMetadataUtils.java b/managed-ledger/src/main/java/org/apache/bookkeeper/mledger/impl/LedgerMetadataUtils.java
@@ -18,7 +18,6 @@
  */
 package org.apache.bookkeeper.mledger.impl;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import com.google.common.collect.ImmutableMap;
 import org.apache.bookkeeper.client.EnsemblePlacementPolicy;
 import org.apache.bookkeeper.common.util.JsonUtil.ParseJsonException;

diff --git a/...ed-ledger/src/main/java/org/apache/bookkeeper/mledger/impl/ReadOnlyManagedLedgerImpl.java b/...ed-ledger/src/main/java/org/apache/bookkeeper/mledger/impl/ReadOnlyManagedLedgerImpl.java
@@ -24,7 +24,6 @@
 import com.google.common.collect.Range;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.bookkeeper.client.BookKeeper;
-import org.apache.bookkeeper.common.util.OrderedExecutor;
 import org.apache.bookkeeper.common.util.OrderedScheduler;
 import org.apache.bookkeeper.mledger.AsyncCallbacks;
 import org.apache.bookkeeper.mledger.ManagedLedgerConfig;

diff --git a/...r-common/src/main/java/org/apache/pulsar/broker/authentication/AuthenticationService.java b/...r-common/src/main/java/org/apache/pulsar/broker/authentication/AuthenticationService.java
@@ -18,7 +18,6 @@
  */
 package org.apache.pulsar.broker.authentication;
 
-import com.google.common.collect.Maps;
 import java.io.Closeable;
 import java.io.IOException;
 import java.util.ArrayList;

diff --git a/...er-common/src/main/java/org/apache/pulsar/broker/authorization/AuthorizationProvider.java b/...er-common/src/main/java/org/apache/pulsar/broker/authorization/AuthorizationProvider.java
@@ -35,7 +35,6 @@
 import org.apache.pulsar.common.policies.data.PolicyName;
 import org.apache.pulsar.common.policies.data.PolicyOperation;
 import org.apache.pulsar.common.policies.data.TenantInfo;
-import org.apache.pulsar.common.policies.data.TenantInfoImpl;
 import org.apache.pulsar.common.policies.data.NamespaceOperation;
 import org.apache.pulsar.common.policies.data.TenantOperation;
 import org.apache.pulsar.common.policies.data.TopicOperation;

diff --git a/...ker-common/src/main/java/org/apache/pulsar/broker/authorization/AuthorizationService.java b/...ker-common/src/main/java/org/apache/pulsar/broker/authorization/AuthorizationService.java
@@ -22,7 +22,6 @@
 import org.apache.pulsar.broker.PulsarServerException;
 import org.apache.pulsar.broker.ServiceConfiguration;
 import org.apache.pulsar.broker.authentication.AuthenticationDataSource;
-import org.apache.pulsar.broker.cache.ConfigurationCacheService;
 import org.apache.pulsar.broker.resources.PulsarResources;
 import org.apache.pulsar.common.naming.NamespaceName;
 import org.apache.pulsar.common.naming.TopicName;
@@ -31,7 +30,6 @@
 import org.apache.pulsar.common.policies.data.PolicyName;
 import org.apache.pulsar.common.policies.data.PolicyOperation;
 import org.apache.pulsar.common.policies.data.TenantInfo;
-import org.apache.pulsar.common.policies.data.TenantInfoImpl;
 import org.apache.pulsar.common.policies.data.TenantOperation;
 import org.apache.pulsar.common.policies.data.TopicOperation;
 import org.apache.pulsar.common.util.FutureUtil;

diff --git a/...ain/java/org/apache/pulsar/broker/authorization/MultiRolesTokenAuthorizationProvider.java b/...ain/java/org/apache/pulsar/broker/authorization/MultiRolesTokenAuthorizationProvider.java
@@ -26,7 +26,6 @@
 import org.apache.commons.lang3.StringUtils;
 import org.apache.pulsar.broker.ServiceConfiguration;
 import org.apache.pulsar.broker.authentication.AuthenticationDataSource;
-import org.apache.pulsar.broker.cache.ConfigurationCacheService;
 import org.apache.pulsar.broker.resources.PulsarResources;
 import org.apache.pulsar.common.naming.NamespaceName;
 import org.apache.pulsar.common.naming.TopicName;

diff --git a/...mon/src/main/java/org/apache/pulsar/broker/authorization/PulsarAuthorizationProvider.java b/...mon/src/main/java/org/apache/pulsar/broker/authorization/PulsarAuthorizationProvider.java
@@ -18,10 +18,9 @@
  */
 package org.apache.pulsar.broker.authorization;
 
-import static com.google.common.base.Preconditions.checkNotNull;
 import static java.util.Objects.requireNonNull;
 import static org.apache.commons.lang3.StringUtils.isNotBlank;
-import com.google.common.base.Function;
+
 import java.io.IOException;
 import java.util.Collections;
 import java.util.Map;
@@ -38,7 +37,6 @@
 import org.apache.pulsar.common.naming.NamespaceName;
 import org.apache.pulsar.common.policies.data.AuthAction;
 import org.apache.pulsar.common.policies.data.NamespaceOperation;
-import org.apache.pulsar.common.policies.data.Policies;
 import org.apache.pulsar.common.policies.data.PolicyName;
 import org.apache.pulsar.common.policies.data.PolicyOperation;
 import org.apache.pulsar.common.policies.data.TenantInfo;
@@ -48,7 +46,6 @@
 import org.apache.pulsar.common.util.RestException;
 import org.apache.pulsar.metadata.api.MetadataStoreException.BadVersionException;
 import org.apache.pulsar.metadata.api.MetadataStoreException.NotFoundException;
-import org.checkerframework.checker.nullness.qual.Nullable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

diff --git a/pulsar-broker-common/src/main/java/org/apache/pulsar/broker/resources/BookieResources.java b/pulsar-broker-common/src/main/java/org/apache/pulsar/broker/resources/BookieResources.java
@@ -19,7 +19,6 @@
 package org.apache.pulsar.broker.resources;
 
 import java.util.HashSet;
-import java.util.List;
 import java.util.Optional;
 import java.util.Set;
 import java.util.concurrent.CompletableFuture;

diff --git a/pulsar-broker-common/src/main/java/org/apache/pulsar/broker/resources/BrokerResources.java b/pulsar-broker-common/src/main/java/org/apache/pulsar/broker/resources/BrokerResources.java
@@ -19,14 +19,9 @@
 package org.apache.pulsar.broker.resources;
 
 import java.util.HashSet;
-import java.util.List;
-import java.util.Optional;
 import java.util.Set;
-import java.util.concurrent.CompletableFuture;
-import java.util.function.Function;
-import lombok.Getter;
+
 import org.apache.pulsar.common.policies.data.ClusterData;
-import org.apache.pulsar.common.policies.data.FailureDomainImpl;
 import org.apache.pulsar.metadata.api.MetadataStore;
 import org.apache.pulsar.metadata.api.MetadataStoreException;
 

diff --git a/...roker-common/src/main/java/org/apache/pulsar/broker/resources/LocalPoliciesResources.java b/...roker-common/src/main/java/org/apache/pulsar/broker/resources/LocalPoliciesResources.java
@@ -27,7 +27,6 @@
 import org.apache.pulsar.common.util.FutureUtil;
 import org.apache.pulsar.common.util.ObjectMapperFactory;
 import org.apache.pulsar.metadata.api.CacheGetResult;
-import org.apache.pulsar.metadata.api.GetResult;
 import org.apache.pulsar.metadata.api.MetadataStore;
 import org.apache.pulsar.metadata.api.MetadataStoreException;
 

diff --git a/pulsar-broker-common/src/main/java/org/apache/pulsar/broker/resources/PulsarResources.java b/pulsar-broker-common/src/main/java/org/apache/pulsar/broker/resources/PulsarResources.java
@@ -25,7 +25,6 @@
 import org.apache.pulsar.metadata.api.MetadataStoreException;
 import org.apache.pulsar.metadata.api.extended.MetadataStoreExtended;
 
-import lombok.AccessLevel;
 import lombok.Getter;
 
 public class PulsarResources {

diff --git a/...roker-common/src/main/java/org/apache/pulsar/broker/resources/ResourceGroupResources.java b/...roker-common/src/main/java/org/apache/pulsar/broker/resources/ResourceGroupResources.java
@@ -22,7 +22,7 @@
 import java.util.Optional;
 import java.util.concurrent.CompletableFuture;
 import java.util.function.Function;
-import org.apache.pulsar.common.naming.NamespaceName;
+
 import org.apache.pulsar.common.policies.data.ResourceGroup;
 import org.apache.pulsar.metadata.api.MetadataStore;
 import org.apache.pulsar.metadata.api.MetadataStoreException;

diff --git a/pulsar-broker-common/src/main/java/org/apache/pulsar/broker/resources/TenantResources.java b/pulsar-broker-common/src/main/java/org/apache/pulsar/broker/resources/TenantResources.java
@@ -18,8 +18,6 @@
  */
 package org.apache.pulsar.broker.resources;
 
-import com.google.common.collect.Lists;
-
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;

diff --git a/pulsar-broker-common/src/main/java/org/apache/pulsar/broker/resources/TopicResources.java b/pulsar-broker-common/src/main/java/org/apache/pulsar/broker/resources/TopicResources.java
@@ -27,7 +27,6 @@
 import org.apache.pulsar.common.naming.TopicDomain;
 import org.apache.pulsar.common.naming.TopicName;
 import org.apache.pulsar.metadata.api.MetadataStore;
-import org.apache.pulsar.metadata.api.MetadataStoreException;
 
 public class TopicResources {
     private static final String MANAGED_LEDGER_PATH = "/managed-ledgers";

diff --git a/...er-common/src/main/java/org/apache/pulsar/broker/validator/MultipleListenerValidator.java b/...er-common/src/main/java/org/apache/pulsar/broker/validator/MultipleListenerValidator.java
@@ -18,9 +18,6 @@
  */
 package org.apache.pulsar.broker.validator;
 
-import com.google.common.collect.Lists;
-import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.pulsar.broker.ServiceConfiguration;
 import org.apache.pulsar.policies.data.loadbalancer.AdvertisedListener;

diff --git a/...ommon/src/main/java/org/apache/pulsar/common/configuration/PulsarConfigurationLoader.java b/...ommon/src/main/java/org/apache/pulsar/common/configuration/PulsarConfigurationLoader.java
@@ -18,7 +18,6 @@
  */
 package org.apache.pulsar.common.configuration;
 
-import static com.google.common.base.Preconditions.checkNotNull;
 import static java.util.Objects.requireNonNull;
 import static org.apache.pulsar.common.util.FieldParser.update;
 

diff --git a/...base/pulsar-client-1x/src/main/java/org/apache/pulsar/client/impl/MessageBuilderImpl.java b/...base/pulsar-client-1x/src/main/java/org/apache/pulsar/client/impl/MessageBuilderImpl.java
@@ -29,7 +29,6 @@
 import org.apache.pulsar.client.api.Message;
 import org.apache.pulsar.client.api.MessageBuilder;
 import org.apache.pulsar.client.api.Schema;
-import org.apache.pulsar.common.api.proto.KeyValue;
 import org.apache.pulsar.common.api.proto.MessageMetadata;
 
 @SuppressWarnings("deprecation")

diff --git a/...lient-api/src/main/java/org/apache/pulsar/client/api/interceptor/ProducerInterceptor.java b/...lient-api/src/main/java/org/apache/pulsar/client/api/interceptor/ProducerInterceptor.java
@@ -22,7 +22,6 @@
 import org.apache.pulsar.client.api.MessageId;
 import org.apache.pulsar.client.api.Producer;
 import org.apache.pulsar.client.api.ProducerBuilder;
-import org.apache.pulsar.client.api.TopicMetadata;
 import org.apache.pulsar.common.classification.InterfaceAudience;
 import org.apache.pulsar.common.classification.InterfaceStability;
 

diff --git a/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdPersistentTopics.java b/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdPersistentTopics.java
@@ -21,10 +21,8 @@
 import static org.apache.commons.lang3.StringUtils.isNotBlank;
 import com.beust.jcommander.Parameter;
 import com.beust.jcommander.Parameters;
-import com.beust.jcommander.converters.CommaParameterSplitter;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
-import com.google.gson.JsonObject;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.ByteBufUtil;
 import io.netty.buffer.Unpooled;

diff --git a/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdSinks.java b/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdSinks.java
@@ -50,7 +50,6 @@
 import lombok.Getter;
 import lombok.extern.slf4j.Slf4j;
 
-import org.apache.commons.lang.StringUtils;
 import org.apache.commons.lang3.text.WordUtils;
 import org.apache.pulsar.admin.cli.utils.CmdUtils;
 import org.apache.pulsar.client.admin.PulsarAdmin;

diff --git a/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdTopics.java b/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdTopics.java
@@ -24,7 +24,6 @@
 import com.beust.jcommander.Parameter;
 import com.beust.jcommander.ParameterException;
 import com.beust.jcommander.Parameters;
-import com.beust.jcommander.converters.CommaParameterSplitter;
 import com.google.common.collect.Lists;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;

diff --git a/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/utils/CmdUtils.java b/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/utils/CmdUtils.java
@@ -19,10 +19,8 @@
 package org.apache.pulsar.admin.cli.utils;
 
 import com.beust.jcommander.ParameterException;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.exc.InvalidFormatException;
 import com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException;
-import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
 
 import java.io.File;
 import java.io.IOException;

diff --git a/pulsar-client-tools/src/main/java/org/apache/pulsar/client/cli/CmdConsume.java b/pulsar-client-tools/src/main/java/org/apache/pulsar/client/cli/CmdConsume.java
@@ -48,7 +48,6 @@
 import java.util.regex.Pattern;
 
 import org.apache.commons.io.HexDump;
-import org.apache.commons.lang3.StringUtils;
 import org.apache.pulsar.client.api.Authentication;
 import org.apache.pulsar.client.api.AuthenticationDataProvider;
 import org.apache.pulsar.client.api.ClientBuilder;

diff --git a/pulsar-client-tools/src/main/java/org/apache/pulsar/client/cli/CmdGenerateDocumentation.java b/pulsar-client-tools/src/main/java/org/apache/pulsar/client/cli/CmdGenerateDocumentation.java
@@ -22,7 +22,6 @@
 import com.beust.jcommander.Parameter;
 import com.beust.jcommander.ParameterDescription;
 import com.beust.jcommander.Parameters;
-import com.beust.jcommander.StringKey;
 import lombok.Getter;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.pulsar.client.api.PulsarClientException;

diff --git a/pulsar-client-tools/src/main/java/org/apache/pulsar/client/cli/CmdProduce.java b/pulsar-client-tools/src/main/java/org/apache/pulsar/client/cli/CmdProduce.java
@@ -39,7 +39,6 @@
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
-import java.util.Locale;
 import java.util.Map;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.CountDownLatch;

diff --git a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/BackoffBuilder.java b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/BackoffBuilder.java
@@ -21,8 +21,6 @@
 import java.time.Clock;
 import java.util.concurrent.TimeUnit;
 
-import com.google.common.annotations.VisibleForTesting;
-
 public class BackoffBuilder {
     private long initial;
     private TimeUnit unitInitial;

diff --git a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/BatchMessageIdImpl.java b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/BatchMessageIdImpl.java
@@ -18,7 +18,6 @@
  */
 package org.apache.pulsar.client.impl;
 
-import com.google.common.collect.ComparisonChain;
 import org.apache.pulsar.client.api.MessageId;
 
 /**

diff --git a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ClientCnx.java b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ClientCnx.java
@@ -57,8 +57,6 @@
 import org.apache.pulsar.client.api.PulsarClientException;
 import org.apache.pulsar.client.api.PulsarClientException.ConnectException;
 import org.apache.pulsar.client.api.PulsarClientException.TimeoutException;
-import org.apache.pulsar.client.api.transaction.TransactionCoordinatorClientException;
-import org.apache.pulsar.client.api.transaction.TxnID;
 import org.apache.pulsar.client.impl.BinaryProtoLookupService.LookupDataResult;
 import org.apache.pulsar.client.impl.conf.ClientConfigurationData;
 import org.apache.pulsar.common.api.proto.CommandTcClientConnectResponse;

diff --git a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ConsumerInterceptors.java b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ConsumerInterceptors.java
@@ -23,7 +23,6 @@
 import org.apache.pulsar.client.api.Message;
 import org.apache.pulsar.client.api.MessageId;
 import org.apache.pulsar.client.api.MessageListener;
-import org.apache.pulsar.client.api.TopicMetadata;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

diff --git a/...c/main/java/org/apache/pulsar/client/impl/NonPersistentAcknowledgmentGroupingTracker.java b/...c/main/java/org/apache/pulsar/client/impl/NonPersistentAcknowledgmentGroupingTracker.java
@@ -23,7 +23,6 @@
 import java.util.concurrent.CompletableFuture;
 
 import org.apache.pulsar.client.api.MessageId;
-import org.apache.pulsar.client.impl.transaction.TransactionImpl;
 import org.apache.pulsar.common.api.proto.CommandAck.AckType;
 
 /**

diff --git a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ProducerBase.java b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ProducerBase.java
@@ -28,7 +28,6 @@
 import org.apache.pulsar.client.api.PulsarClientException;
 import org.apache.pulsar.client.api.Schema;
 import org.apache.pulsar.client.api.SchemaSerializationException;
-import org.apache.pulsar.client.api.TopicMetadata;
 import org.apache.pulsar.client.api.TypedMessageBuilder;
 import org.apache.pulsar.client.api.transaction.Transaction;
 import org.apache.pulsar.client.impl.conf.ProducerConfigurationData;

diff --git a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ProducerInterceptors.java b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ProducerInterceptors.java
@@ -21,7 +21,6 @@
 import org.apache.pulsar.client.api.Message;
 import org.apache.pulsar.client.api.MessageId;
 import org.apache.pulsar.client.api.Producer;
-import org.apache.pulsar.client.api.TopicMetadata;
 import org.apache.pulsar.client.api.interceptor.ProducerInterceptor;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

diff --git a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/TopicMessageIdImpl.java b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/TopicMessageIdImpl.java
@@ -18,7 +18,6 @@
  */
 package org.apache.pulsar.client.impl;
 
-import java.util.Objects;
 import org.apache.pulsar.client.api.MessageId;
 
 public class TopicMessageIdImpl implements MessageId {

diff --git a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/auth/AuthenticationToken.java b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/auth/AuthenticationToken.java
@@ -21,7 +21,6 @@
 
 import com.google.common.base.Charsets;
 
-import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.Serializable;
 import java.net.URI;

diff --git a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/schema/NativeAvroBytesSchema.java b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/schema/NativeAvroBytesSchema.java
@@ -23,7 +23,6 @@
 import org.apache.pulsar.client.api.Schema;
 import org.apache.pulsar.client.api.schema.SchemaDefinition;
 import org.apache.pulsar.common.schema.SchemaInfo;
-import org.apache.pulsar.common.schema.SchemaType;
 
 import java.util.Optional;
 

diff --git a/...-client/src/main/java/org/apache/pulsar/client/impl/schema/generic/GenericSchemaImpl.java b/...-client/src/main/java/org/apache/pulsar/client/impl/schema/generic/GenericSchemaImpl.java
@@ -25,7 +25,6 @@
 import org.apache.pulsar.common.schema.SchemaInfo;
 
 import java.util.List;
-import java.util.Optional;
 import java.util.stream.Collectors;
 
 /**

diff --git a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/schema/util/SchemaUtil.java b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/schema/util/SchemaUtil.java
@@ -18,7 +18,6 @@
  */
 package org.apache.pulsar.client.impl.schema.util;
 
-import org.apache.avro.Conversions;
 import org.apache.avro.Schema;
 import org.apache.avro.reflect.ReflectData;
 import org.apache.commons.lang3.StringUtils;

diff --git a/...mmon/src/main/java/org/apache/pulsar/common/policies/data/NamespaceIsolationDataImpl.java b/...mmon/src/main/java/org/apache/pulsar/common/policies/data/NamespaceIsolationDataImpl.java
@@ -19,14 +19,11 @@
 package org.apache.pulsar.common.policies.data;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
-import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
-import lombok.Value;
-import lombok.extern.jackson.Jacksonized;
 import org.apache.commons.lang3.StringUtils;
 import java.util.ArrayList;
 import java.util.List;

diff --git a/pulsar-common/src/main/java/org/apache/pulsar/common/policies/data/TopicPolicies.java b/pulsar-common/src/main/java/org/apache/pulsar/common/policies/data/TopicPolicies.java
@@ -18,7 +18,6 @@
  */
 package org.apache.pulsar.common.policies.data;
 
-import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
 import java.util.ArrayList;
 import java.util.HashMap;

diff --git a/.../org/apache/pulsar/common/policies/data/stats/NonPersistentPartitionedTopicStatsImpl.java b/.../org/apache/pulsar/common/policies/data/stats/NonPersistentPartitionedTopicStatsImpl.java
@@ -20,11 +20,8 @@
 
 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import lombok.Getter;
-import lombok.ToString;
 import org.apache.pulsar.common.partition.PartitionedTopicMetadata;
 import org.apache.pulsar.common.policies.data.NonPersistentPartitionedTopicStats;
-import org.apache.pulsar.common.policies.data.NonPersistentTopicStats;
-import org.apache.pulsar.common.policies.data.TopicStats;
 
 import java.util.HashMap;
 import java.util.Map;

diff --git a/pulsar-common/src/main/java/org/apache/pulsar/common/stats/Rate.java b/pulsar-common/src/main/java/org/apache/pulsar/common/stats/Rate.java
@@ -19,7 +19,7 @@
 package org.apache.pulsar.common.stats;
 
 import static com.google.common.base.Preconditions.checkArgument;
-import java.math.BigDecimal;
+
 import java.util.concurrent.atomic.LongAdder;
 
 /**

diff --git a/pulsar-common/src/main/java/org/apache/pulsar/common/util/SecurityUtility.java b/pulsar-common/src/main/java/org/apache/pulsar/common/util/SecurityUtility.java
@@ -62,7 +62,6 @@
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.pulsar.common.classification.InterfaceAudience;
-import org.apache.pulsar.common.classification.InterfaceStability;
 import org.apache.pulsar.common.tls.TlsHostnameVerifier;
 import org.eclipse.jetty.util.ssl.SslContextFactory;
-Original file line number
+Diff line change
@@ Expand Up / @@ -18,7 +18,6 @@ @@
      */
     package org.apache.pulsar.client.impl;
-    import com.google.common.collect.ComparisonChain;
     import org.apache.pulsar.client.api.MessageId;
     /**
@@ Expand Down @@